A-Frame Structures, the classic greenhouse for selling and growing. The A-Frame by Rough Brothers provides the simple style of a traditional greenhouse structure with the technology of a modern system, and is widely used in retail, production, and head house applications. With a variety of glazing options available including glass, 8mm or 16mm polycarbonate, or insulated panel. The A-Frame can span up to 60 feet and is adaptable to achieve the look you want.